Akademischer IELTS (Band 5 und darunter) - Age

still in the earlier stages of life

jung

living in the later stages of life

alt

(of a person) approximately between 45 to 65 years old, typically indicating a stage of life between young adulthood and old age

mittelalt

fully developed and mature

erwachsen

intended for or related to young people, particularly in sports

Junior

old and mature of age

hochbetagt

having the age of thirteen to nineteen

jugendlicher

having the characteristics that are typical of young people

jugendlichen

fully-grown and physically developed

reif

advanced in age

älter

related to individuals who are considered elderly

älteren